The iPhone 3G was released On July 11, 2008. It supports faster 3G data speeds and Assisted GPS. iPhone seems to be one very sturdy smartphone. It lets you control everything using only your fingers.

There are some tips and tricks that make using the iPhone much easier. But not so many people do realize that there are several shortcuts, tips and tricks available on the iPhone. We believe every single iPhone users would like to know more about the tips and tricks for every feature of iPhone.

Want to become a real iPhone power user? Here’s a list of amazing tips and tricks for iPhone users. Enjoy!

1. How To Set Content Restriction

Parents can restrict explicit music from being seen on playlists, or turn off YouTube access entirely by going to Settings > General > Enable Restrictions and choosing which functions to not allow. You will need to set a 4 digit passcode, making it impossible to get around the restrictions unless the passcode is entered.

2. How To Jump To The First Home Screen

Press the HOME button once and you will directly return to the first screen. You should always place your most used apps on the first screen.

3. How To Access The Scientific Calculator

While using the calculator, rotate the iPhone to landscape mode, it will turn into a scientific calculator.

4. How To Take A Screen Shot

Press HOME button and SLEEP/WAKE button together quickly. You’ll see the screen “flash” quickly – that means it has taken the screenshot. Go to the Photos icon on your iPhone and your Photo Albums will be listed.

5. How To Erase Data Completely

A method that should wipe out almost all of your data.

6. How To Maximize iPhone Battery Life

Here’s show you how to live with the iPhone’s battery life while using it a whole lot.

7. How To Fast Forward/Rewind Music & Video

Press and hold your finger on the forward/back arrows to fast forward or rewind rather than skip tracks. Note that the longer you hold your finger, the faster it will rewind or fast forward.

8.How To Design iPhone Themes

Boring with you iPhone default theme and plan to get more funky on it, you can visit iPhone Theme Generator and grab your own customized theme.

9. How To Send A Call To Voicemail

Press the SLEEP/WAKE button twice to send a call to voicemail after it rings. If you’re using the iPhone headphones, press the headphone button once to answer the call. Press it twice to send it to voicemail.

10. How To Train iPhone Learn New Words

iPhone never seemed to learn new words properly and permanently. This tutorial will teaching you how to get you iPhone application to learn new words.

11. How To Save Images In Safari & Mail

If you come across an image you like and want to keep while browsing the web or viewing email, just touch and hold an image for a few seconds. A menu will appear with the option to save it. The image will get stored in the “Saved Photos” library of the Photos app.

12. How To Turn Off SMS Preview

Turning this feature to off will only display “New Text Message” on the home screen. Go to General > Passcode Lock and enter a 4 digit passcode. After that disable “Show SMS Preview”.

13. How To Backup iPhone Contacts

A neat application dubbed IDrive Lite that allows you to backup, share and restore all your iPhone contacts completely free of charge if you’ve updated your iPhone software to 2.0.

14. How To Disable iPhone 3G GPRS Or EDGE Connection

Go to Setting >General > Network > Cellular Data Network. Simply type in some words in the PIN, Username and Password field, so iPhone will not pass the correct values to service providers. Restart your iPhone if necessary.

15. How To Switch To Punctuation Keys Quick & Easy

Switch to the punctuation keys and alphabet keys are very annoying because it’s appear on two different keyboard layouts. There are a simple way to solve it. Just touch the “.?123″ key, but don’t lift your finger. The punctuation layout appears. Slide your finger onto the full stop or comma key, and release. The ABC layout returns automatically.